CVE-2021-31887

A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:siemens:nucleus_net::::::::
	cpe:2.3:a:siemens:nucleus_readystart_v3::::::::
	cpe:2.3:a:siemens:nucleus_source_code::::::::

Configuration 2 (hide)

AND

cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:apogee_modular_building_controller:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

OR	cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::p2_ethernet:::*
	cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::bacnet:::*

cpe:2.3:h:siemens:apogee_pxc_compact:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

OR	cpe:2.3:o:siemens:apogee_pxc_modular_firmware:::::p2_ethernet:::*
	cpe:2.3:o:siemens:apogee_pxc_modular_firmware:::::bacnet:::*

cpe:2.3:h:siemens:apogee_pxc_modular:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:talon_tc_compact:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:siemens:talon_tc_modular_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:talon_tc_modular:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc00-e.d:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc00-u_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc00-u:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc001-e.d:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc12-e.d:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc22-e.d:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc22.1-e.d:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc36.1-e.d:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc50-e.d:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc64-u_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc64-u:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc100-e.d:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc128-u_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc128-u:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND

cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxc200-e.d:-:*:*:*:*:*:*:*

Configuration 20 (hide)

AND

cpe:2.3:o:siemens:desigo_pxm20-e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:desigo_pxm20-e:-:*:*:*:*:*:*:*

History

13 Mar 2023, 15:28

Type	Values Removed	Values Added
CPE	cpe:2.3:a:siemens:capital_vstar:::::::: cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::::: cpe:2.3:o:siemens:apogee_pxc_modular_firmware::::::::	cpe:2.3:o:siemens:apogee_pxc_modular_firmware:::::p2_ethernet:::* cpe:2.3:o:siemens:desigo_pxc00-u_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc00-u:-:::::::* cpe:2.3:o:siemens:desigo_pxm20-e_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc64-u:-:::::::* cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc36.1-e.d:-:::::::* cpe:2.3:h:siemens:desigo_pxm20-e:-:::::::* cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc22.1-e.d:-:::::::* cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::p2_ethernet:::* cpe:2.3:h:siemens:desigo_pxc200-e.d:-:::::::* cpe:2.3:h:siemens:desigo_pxc100-e.d:-:::::::* cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc00-e.d:-:::::::* cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware:::::::: cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware:::::::: cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc12-e.d:-:::::::* cpe:2.3:h:siemens:desigo_pxc128-u:-:::::::* cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware:::::::: cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware:::::::: cpe:2.3:o:siemens:apogee_pxc_modular_firmware:::::bacnet:::* cpe:2.3:h:siemens:desigo_pxc22-e.d:-:::::::* cpe:2.3:o:siemens:desigo_pxc128-u_firmware:::::::: cpe:2.3:h:siemens:desigo_pxc001-e.d:-:::::::* cpe:2.3:h:siemens:desigo_pxc50-e.d:-:::::::* cpe:2.3:o:siemens:desigo_pxc64-u_firmware:::::::: cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware:::::::: cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::bacnet:::*

20 May 2022, 13:15

Type	Values Removed	Values Added
Summary	A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)	A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)

12 Apr 2022, 09:15

Type	Values Removed	Values Added
Summary	A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)	A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)

14 Dec 2021, 12:15

Type	Values Removed	Values Added
Summary	A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), Capital VSTAR (All versions), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)	A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). FTP server does not properly validate the length of the “PWD/XPWD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0016)
CWE	~~CWE-787~~	CWE-170

12 Nov 2021, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-11-09 12:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-31887

Mitre link : CVE-2021-31887

CVE.ORG link : CVE-2021-31887

JSON object : View

Products Affected

siemens

desigo_pxc200-e.d_firmware
desigo_pxc50-e.d_firmware
nucleus_source_code
desigo_pxc100-e.d_firmware
apogee_modular_building_controller
talon_tc_compact_firmware
talon_tc_modular
apogee_pxc_compact_firmware
nucleus_net
desigo_pxc22.1-e.d_firmware
apogee_pxc_compact
desigo_pxm20-e
desigo_pxc00-u_firmware
desigo_pxc00-e.d
nucleus_readystart_v3
talon_tc_modular_firmware
apogee_modular_equiment_controller
desigo_pxc100-e.d
desigo_pxc200-e.d
desigo_pxc36.1-e.d
desigo_pxc64-u
desigo_pxc36.1-e.d_firmware
desigo_pxm20-e_firmware
desigo_pxc50-e.d
desigo_pxc64-u_firmware
desigo_pxc128-u
apogee_pxc_modular_firmware
apogee_modular_equiment_controller_firmware
desigo_pxc00-e.d_firmware
desigo_pxc22-e.d_firmware
desigo_pxc001-e.d_firmware
desigo_pxc22-e.d
desigo_pxc12-e.d
desigo_pxc001-e.d
desigo_pxc12-e.d_firmware
desigo_pxc22.1-e.d
desigo_pxc00-u
desigo_pxc128-u_firmware
apogee_pxc_modular
apogee_modular_building_controller_firmware
talon_tc_compact

CWE

CWE-170

Improper Null Termination

CWE-787

Out-of-bounds Write

8.8 /10